For the Dough:

• 2 1/2 cups all-purpose flour
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, cold and cubed
• 1 egg
• 1/3 cup ice water
• 1 tablespoon white vinegar

For the Filling:

• 1 tablespoon olive oil
• 1/2 pound ground beef
• 1 small onion, finely chopped
• 2 cloves garlic, minced
• 1/2 teaspoon ground cumin
• 1/2 teaspoon smoked paprika
• 1/4 teaspoon chili powder
• Salt and pepper to taste
• 1/4 cup green olives, chopped
• 1/4 cup raisins (optional)
• 1 hard-boiled egg, chopped (optional)

For Assembly:

• 1 egg (for egg wash)